"Learning that three of our members, two of whom were white, had disappeared really blew away all my ideas that possibly we would have protection from the fact that the majority of the summer volunteers were white. I knew now that that was not the case: that everybody was in grave danger, and that these Mississippians would kill all of us, white and black." Watch "Freedom Summer" premiering June 24, 2014 on PBS.
Robert Noyce's invention of the microchip launched the world into the Information Age.
The unbounded optimism of the Jazz Age and the shocking consequences when reality finally hit on October 29th, 1929.
America came apart in 1964 and has since been reborn.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.
Meet the Wizard of Odd. Robert Ripley was a new media star and the most popular man in America.
Malcolm X, a man who both terrified and inspired, expressed the anger and struggle of black people for freedom in the 1960s.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
Clemente was an exceptional baseball player whose career sheds light on larger issues of immigration, civil rights and cultural change.